//package online.zhangwenzhe.common.configuration;
//
//import com.alibaba.druid.pool.DruidDataSource;
//import com.alibaba.druid.support.http.StatViewServlet;
//import com.alibaba.druid.support.http.WebStatFilter;
//import org.springframework.beans.factory.annotation.Value;
//import org.springframework.boot.web.servlet.FilterRegistrationBean;
//import org.springframework.boot.web.servlet.ServletRegistrationBean;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.context.annotation.Primary;
//
//import javax.sql.DataSource;
//import java.sql.SQLException;
//
//
///**
// * druid 配置.
// * <p>
// * 这样的方式不需要添加注解：@ServletComponentScan
// *
// * @author Administrator
// */
//@Configuration
//public class DruidConfiguration {
//    @Value("${spring.datasource.url}")
//    private String dbUrl;
//    @Value("${spring.datasource.username}")
//    private String username;
//    @Value("${spring.datasource.password}")
//    private String password;
//    @Value("${spring.datasource.driver-class-name}")
//    private String driverClassName;
//    @Value("${spring.datasource.initialSize}")
//    private int initialSize;
//    @Value("${spring.datasource.minIdle}")
//    private int minIdle;
//    @Value("${spring.datasource.maxActive}")
//    private int maxActive;
//    @Value("${spring.datasource.maxWait}")
//    private int maxWait;
//    @Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
//    private int timeBetweenEvictionRunsMillis;
//    @Value("${spring.datasource.minEvictableIdleTimeMillis}")
//    private int minEvictableIdleTimeMillis;
//    @Value("${spring.datasource.validationQuery}")
//    private String validationQuery;
//    @Value("${spring.datasource.testWhileIdle}")
//    private boolean testWhileIdle;
//    @Value("${spring.datasource.testOnBorrow}")
//    private boolean testOnBorrow;
//    @Value("${spring.datasource.testOnReturn}")
//    private boolean testOnReturn;
//    @Value("${spring.datasource.poolPreparedStatements}")
//    private boolean poolPreparedStatements;
//    @Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
//    private int maxPoolPreparedStatementPerConnectionSize;
//    @Value("${spring.datasource.filters}")
//    private String filters;
//    @Value("${spring.datasource.connectionProperties}")
//    private String connectionProperties;
//    @Value("${spring.datasource.useGlobalDataSourceStat}")
//    private boolean useGlobalDataSourceStat;
//
//    @Bean     //声明其为Bean实例
//    @Primary  //在同样的DataSource中，首先使用被标注的DataSource
//    public DataSource dataSource() {
//        DruidDataSource datasource = new DruidDataSource();
//        datasource.setUrl(this.dbUrl);
//        datasource.setUsername(username);
//        datasource.setPassword(password);
//        datasource.setDriverClassName(driverClassName);
//
//        //configuration
//        datasource.setInitialSize(initialSize);
//        datasource.setMinIdle(minIdle);
//        datasource.setMaxActive(maxActive);
//        datasource.setMaxWait(maxWait);
//        datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
//        datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
//        datasource.setValidationQuery(validationQuery);
//        datasource.setTestWhileIdle(testWhileIdle);
//        datasource.setTestOnBorrow(testOnBorrow);
//        datasource.setTestOnReturn(testOnReturn);
//        datasource.setPoolPreparedStatements(poolPreparedStatements);
//        datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
//        datasource.setUseGlobalDataSourceStat(useGlobalDataSourceStat);
//        try {
//            datasource.setFilters(filters);
//        } catch (SQLException e) {
//            System.err.println("druid configuration initialization filter: " + e);
//        }
//        datasource.setConnectionProperties(connectionProperties);
//        return datasource;
//    }
//
//    /**
//     * 注册一个StatViewServlet
//     *
//     * @return
//     */
//    @Bean
//    public ServletRegistrationBean DruidStatViewServle() {
//        //org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
//        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
//
//        //添加初始化参数：initParams
//
//        //白名单：
//        servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
//        //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
//        servletRegistrationBean.addInitParameter("deny", "192.168.1.73");
//        //登录查看信息的账号密码.
//        servletRegistrationBean.addInitParameter("loginUsername", "admin");
//        servletRegistrationBean.addInitParameter("loginPassword", "123456");
//        //是否能够重置数据.
//        servletRegistrationBean.addInitParameter("resetEnable", "false");
//        return servletRegistrationBean;
//    }
//
//    /**
//     * 注册一个：filterRegistrationBean
//     *
//     * @return
//     */
//    @Bean
//    public FilterRegistrationBean druidStatFilter() {
//
//        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
//
//        //添加过滤规则.
//        filterRegistrationBean.addUrlPatterns("/*");
//
//        //添加不需要忽略的格式信息.
//        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid2/*");
//        return filterRegistrationBean;
//    }
//
//}